2058160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1979}}^1$

素因数の和:2005

約数の個数: 40

約数和(自身を含む): 5155920

約数和(自身を除く): 3097760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1979, 3958, 7916, 9895, 15832, 19790, 25727, 31664, 39580, 51454, 79160, 102908, 128635, 158320, 205816, 257270, 411632, 514540, 1029080, 2058160]

約数ペア:

[(1, 2058160), (2, 1029080), (4, 514540), (5, 411632), (8, 257270), (10, 205816), (13, 158320), (16, 128635), (20, 102908), (26, 79160), (40, 51454), (52, 39580), (65, 31664), (80, 25727), (104, 19790), (130, 15832), (208, 9895), (260, 7916), (520, 3958), (1040, 1979)]